CN109531026B - Welding detector for mobile power supply cell circuit board - Google Patents

Welding detector for mobile power supply cell circuit board Download PDF

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Publication number
CN109531026B
CN109531026B CN201811275064.7A CN201811275064A CN109531026B CN 109531026 B CN109531026 B CN 109531026B CN 201811275064 A CN201811275064 A CN 201811275064A CN 109531026 B CN109531026 B CN 109531026B
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China
Prior art keywords
circuit board
positioning
cell
assembly
plug
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CN201811275064.7A
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CN109531026A (en
Inventor
鄢巧明
张玉萍
黄亚君
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Dongguan Arun Industrial Co ltd
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Dongguan Arun Industrial Co ltd
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Publication of CN109531026A publication Critical patent/CN109531026A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

The invention relates to the technical field of mobile power supply manufacturing, and provides a mobile power supply cell circuit board welding detector which comprises a cell pretreatment device for leveling and cutting lugs of a cell and a cell welding and detecting device arranged on one side of the cell pretreatment device; the battery cell welding and detecting device comprises a battery cell transferring device, a bearing positioning device, a battery cell feeding device, a tab welding device and at least one electrical property detecting device, wherein the tab welding device is used for welding the tab of the battery cell in the positioning jig with the circuit board assembly, and the electrical property detecting device is used for bearing the positioning device and detecting electrical property parameters of the welded battery cell in the positioning jig and the circuit board assembly. Compared with the prior art, the welding detector for the mobile power supply cell circuit board has the advantages of being high in automation degree, improving production efficiency and productivity and reducing production cost.

Description

Welding detector for mobile power supply cell circuit board
Technical Field
The invention relates to the technical field of mobile power supply manufacturing, in particular to a welding detector for a mobile power supply cell circuit board.
Background
With the rapid development of electronic technology, electronic products are increasingly used, and the battery industry is also developing, so that industrialization is gradually achieved.
At present, in the production technology of a mobile power supply, leveling and cutting are required to be carried out on the battery cell electrode lugs, then the battery cell electrode lugs are welded with the circuit board assembly, and detection is also required to be carried out on the battery cell electrode lugs and the circuit board assembly after welding, however, in the traditional manufacturing of the battery cell and the circuit board assembly, the cutting, welding and checking operation of the battery cell electrode lugs are mainly carried out through manual cutting, feeding and transferring, so that the cost is high, and the efficiency is low.
Disclosure of Invention
The invention aims to provide a welding detector for a mobile power supply cell circuit board, which aims to solve the technical problems of low automation degree, low production efficiency and high cost in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme: the welding detector comprises a battery core pretreatment device for leveling and cutting the lugs of the battery core and a battery core welding and detecting device arranged on one side of the battery core pretreatment device; the cell welding and detecting device comprises:
The battery cell transfer device comprises a first station for placing the battery cell which is leveled and cut by the battery cell pretreatment device, a second station for taking out the battery cell, and a battery cell steering platform capable of moving back and forth between the first station and the second station;
the bearing and positioning device comprises a positioning jig for supporting the battery cell and the circuit board assembly;
the battery cell feeding device is used for moving the battery cell on the second station of the battery cell transfer device into the positioning jig of the bearing and positioning device;
the tab welding device is used for welding the tab of the battery cell in the positioning jig with the circuit board assembly; and
and the at least one electrical property detection device is used for detecting electrical property parameters of the welded battery cell and the circuit board assembly in the positioning jig.
Further, the battery cell pretreatment device comprises a battery cell pre-positioning mechanism, a shaping placing frame provided with a plurality of first shaping placing plates, a straightening mechanism, a flattening mechanism, a cutting mechanism, a shaping pressing mechanism for pressing the battery cells and a shaping transfer assembly for transferring the battery cells; the shaping pressing mechanism comprises a shaping pressing base, a shaping pressing sliding plate in sliding connection with the shaping pressing base, a shaping pressing driving assembly used for driving the shaping pressing sliding plate to slide, and a shaping pressing assembly arranged on the shaping pressing sliding plate.
Further, the straightening mechanism comprises a straightening bottom plate arranged on the shaping pressing sliding plate, a straightening pneumatic finger in sliding connection with the straightening bottom plate, a straightening clamping plate arranged at the output end of the straightening pneumatic finger and used for clamping the lug, and a straightening driving piece used for driving the straightening pneumatic finger to slide; the flattening mechanism comprises a flattening vertical plate arranged on the shaping and pressing sliding plate, a flattening pneumatic finger connected with the flattening vertical plate, and a flattening clamping plate arranged at the output end of the flattening pneumatic finger and used for flattening the lug; the cell prepositioning mechanism comprises a prepositioning bracket, a prepositioning belt component, a first prepositioning reference plate, a second prepositioning reference plate, a prepositioning pushing plate and a prepositioning pushing driving device, wherein the prepositioning belt component is arranged on the prepositioning bracket and used for driving the cell to move, the first prepositioning reference plate is detachably connected with the prepositioning bracket, the second prepositioning reference plate is detachably connected with the prepositioning bracket, the prepositioning pushing plate is arranged on the prepositioning bracket, and the prepositioning pushing driving device is used for driving the prepositioning pushing plate to move; the first preset reference plate and the second preset reference plate are arranged perpendicular to each other; the first preset reference plate and the second preset reference plate are sequentially arranged along the moving direction of the battery cell; the predetermined positioning pushing plate and the first predetermined positioning reference plate are arranged in parallel.
Further, the positioning device is used for pre-positioning the circuit board assembly before moving into the positioning jig, and comprises a pre-positioning block, a first pre-positioning assembly and a second pre-positioning assembly; the surface of the pre-positioning block is provided with a positioning groove, and the groove wall of the positioning groove is provided with a first positioning longitudinal wall and a second positioning longitudinal wall which are adjacent to each other and are vertically arranged; the first pre-positioning assembly comprises a first pre-positioning ejector and a first positioning ejector drive that moves the first pre-positioning ejector in a direction perpendicular to the second positioning longitudinal wall; the second pre-positioning assembly includes a second pre-positioning ejector and a second positioning ejector drive that moves the second pre-positioning ejector in a direction perpendicular to the first positioning longitudinal wall.
Further, the cell welding and detecting device further comprises a storage bracket for loading a circuit board storage disc and providing a circuit board assembly to be welded, and a circuit board feeding device for grabbing the circuit board assembly of the storage bracket and moving the circuit board assembly into the positioning jig; the circuit board feeding device comprises a circuit board feeding cross beam, a circuit board feeding longitudinal beam driving assembly, a circuit board feeding mounting frame driving assembly, a circuit board rotating support driving assembly, a circuit board feeding taking and placing seat and a circuit board feeding taking and placing seat driving member, wherein the circuit board feeding longitudinal beam is arranged on the circuit board feeding cross beam in a sliding mode, the circuit board feeding longitudinal beam is arranged in the extending direction of the circuit board feeding cross beam in a vertical mode, the circuit board feeding longitudinal beam driving assembly is used for enabling the circuit board feeding longitudinal beam to move, the circuit board feeding mounting frame driving assembly is used for enabling the circuit board rotating support to be arranged on the circuit board feeding mounting frame in a sliding mode, the circuit board rotating support driving assembly is used for enabling the circuit board rotating support to be opposite to the circuit board feeding taking and placing seat on the circuit board rotating support.
Further, electric core loading attachment includes electric core material loading crossbeam, slides and sets up electric core material loading mounting bracket on the electric core material loading crossbeam, make electric core material loading mounting bracket drive assembly that electric core material loading mounting bracket removed, slide and set up electric core material loading on the electric core material loading mounting bracket is got and is put the seat and is made electric core material loading is got and is put the seat and is relative electric core material loading that electric core material loading mounting bracket goes up and down is got and is put seat drive assembly.
Further, the tab welding device comprises a welding frame, an electrode holder arranged on the welding frame in a lifting manner, an electrode holder driving piece for enabling the electrode holder to lift relative to the welding frame, four electrodes arranged on the electrode holder, a supporting ejector rod arranged on the welding frame in a lifting manner and positioned below the electrode holder, and a supporting ejector rod driving mechanism for driving the supporting ejector rod to lift relative to the welding frame; the four electrodes are distributed in a rectangular shape on the cross section of the electrode seat, and the four electrodes are a pair of positive electrodes and a pair of negative electrodes respectively.
Further, the supporting ejector rod driving mechanism comprises a supporting ejector rod cylinder with an output shaft and a transmission structure connected between the output shaft and the supporting ejector rod; the transmission structure comprises a first wedge block connected with an output shaft of the supporting ejector rod cylinder and a second wedge block which is used for being matched with the first wedge block to push and relatively to the first wedge block to lift and move when the first wedge block moves, and the second wedge block is fixedly connected with the bottom of the supporting ejector rod.
Further, the electrical performance detection device comprises a test frame and a self-adjusting plug assembly, wherein the self-adjusting plug assembly is installed on the test frame and used for being matched with an interface for plugging, the test frame comprises a test installation seat, an adjusting support plate, a plug sliding rail and a plug sliding bracket, the adjusting support plate is arranged on the test installation seat in a sliding mode, the plug sliding rail is fixedly arranged on the adjusting support plate, the plug sliding bracket is arranged on the plug sliding rail in a sliding mode, and the self-adjusting plug assembly is fixed on the plug sliding bracket; a plug driving piece which enables the plug sliding bracket to move is fixedly arranged on the adjusting supporting plate and is connected with the plug sliding bracket; the test mounting seat is provided with: the transverse adjusting assembly is used for adjusting the relative position of the adjusting support plate and the test mounting seat in a direction parallel to the extending direction of the plug sliding rail; the longitudinal adjusting component is used for adjusting the relative position of the adjusting support plate and the test mounting seat in the direction perpendicular to the extending direction of the plug sliding rail
Further, the self-adjusting plug assembly comprises a plug, a test data wire, a plug fixing seat, a rotating support seat and a plug rotating seat, wherein the plug is used for being matched with and plugged into an interface, the test data wire is used for being connected with a power supply tester, the plug fixing seat is used for fixing the plug, the rotating support seat is connected with the test frame, the plug rotating seat is arranged between the rotating support seat and the plug fixing seat, and one end of the test data wire is connected with the plug; the plug rotating seat comprises a rotating flange part fixed with the plug fixing seat, a rotating shaft part convexly arranged on one side surface of the rotating flange part facing the rotating support seat, and a spherical head part formed at the end part of the rotating shaft part, and the rotating support seat is provided with a spherical nest cavity which is matched with the spherical head part to rotate; an elastic reset element is connected between the plug rotating seat and the rotating supporting seat.
Compared with the prior art, the welding detector for the mobile power supply cell circuit board provided by the invention comprises the cell pretreatment device and the cell welding and detecting device arranged on one side of the cell pretreatment device, and has the advantages of higher automation degree, higher production efficiency and productivity and reduced production cost.
Drawings
Fig. 1 is a schematic structural diagram of a welding detector for a mobile power supply cell circuit board according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a battery cell pretreatment device according to an embodiment of the invention;
FIG. 3 is a schematic view of a first view of a cell positioning mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a second view of a cell positioning mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of a third view of a cell positioning mechanism according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a cell pretreatment device according to an embodiment of the present invention (a cell pre-positioning mechanism is not shown);
FIG. 7 is a schematic structural view of a reshaping pressing mechanism according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of a straightening mechanism according to an embodiment of the present invention;
FIG. 9 is a schematic view of a cutting mechanism according to an embodiment of the present invention;
FIG. 10 is a schematic view of an electrode detection assembly according to an embodiment of the present invention;
FIG. 11 is a schematic structural view of a shaping rack according to an embodiment of the present invention;
FIG. 12 is a schematic view of a plastic transfer assembly according to an embodiment of the present invention;
FIG. 13 is a schematic view of a flattening mechanism according to an embodiment of the present invention;
FIG. 14 is a schematic diagram of a good product transferring mechanism according to an embodiment of the present invention;
fig. 15 is a schematic structural view of a defective product transferring mechanism according to an embodiment of the present invention;
fig. 16 is a schematic perspective view of a device for welding and detecting a battery cell according to an embodiment of the present invention;
FIG. 17 is a schematic top view of a device for soldering and inspecting a battery cell according to an embodiment of the present invention;
fig. 18 is a schematic perspective view of a cell loading device and a cell transferring device according to an embodiment of the present invention;
fig. 19 is a schematic perspective view of a circuit board feeding device according to an embodiment of the present invention;
fig. 20 is an enlarged view of a portion a in fig. 19;
FIG. 21 is a schematic perspective view of a load bearing positioning device and an electrical property detecting device according to an embodiment of the present invention;
FIG. 22 is a schematic cross-sectional view of a load-bearing positioning apparatus and an electrical property detection apparatus provided by an embodiment of the present invention;
fig. 23 is a schematic perspective view of a tab welding device according to an embodiment of the present invention;
FIG. 24 is a schematic cross-sectional view of a tab welding device provided by an embodiment of the present invention;
FIG. 25 is a schematic perspective view of a first electrical performance testing apparatus according to an embodiment of the present invention;
FIG. 26 is a schematic perspective view of a second electrical property detection apparatus according to an embodiment of the present invention;
FIG. 27 is a schematic perspective view of a self-adjusting plug assembly provided by an embodiment of the present invention;
FIG. 28 is a schematic cross-sectional view of a self-adjusting plug assembly provided by an embodiment of the present invention;
FIG. 29 is an exploded schematic view of a self-adjusting plug assembly provided by an embodiment of the present invention;
fig. 30 is a schematic perspective view of a blanking sorting device and a blanking conveying device according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 30, a preferred embodiment of the present invention is provided.
The mobile power supply cell circuit board welding detector provided by the embodiment comprises a cell pretreatment device for leveling and cutting the lugs of the cells and a cell welding and detecting device arranged on one side of the cell pretreatment device.
As shown in fig. 1-15, an embodiment of the present invention proposes a cell pretreatment device, which includes a cell pretreatment mechanism 11, a shaping rack 12 provided with a plurality of first shaping placing plates 121, a straightening mechanism 13, a flattening mechanism 14, a cutting mechanism 15, a shaping pressing mechanism 18 for pressing a cell 201, and a shaping transfer assembly 17 for transferring the cell 201; the shaping pressing mechanism 18 comprises a shaping pressing base 181, a shaping pressing sliding plate 182 in sliding connection with the shaping pressing base 181, a shaping pressing driving assembly for driving the shaping pressing sliding plate 182 to slide, and a shaping pressing assembly arranged on the shaping pressing sliding plate 182.
In the embodiment of the invention, the working process of the battery cell pretreatment device is as follows: the cell positioning mechanism 11 is used for positioning the cell 201 in advance, so that each action of the shaping transfer assembly 17 can grasp the center of the cell 201, the shaping transfer assembly 17 is used for transferring the cell 201 which is positioned in advance on the cell positioning mechanism 11 to the first shaping placing plate 121 corresponding to the processing station of the straightening mechanism 13, the shaping pressing mechanism 18 is used for pressing and fixing the cell 201, the straightening mechanism 13 is used for straightening the tab 202 on the cell 201, then the shaping transfer assembly 17 is used for transferring the cell 201 which is straightened to the first shaping placing plate 121 corresponding to the processing station of the flattening mechanism 14 (at the moment, the shaping pressing mechanism 18 is used for pressing and fixing the cell 201), the flattening mechanism 14 is used for flattening the tab 202 on the cell 201 firstly, then the shaping transfer assembly 17 is used for transferring the cell 201 which is flattened to the first shaping placing plate 121 corresponding to the processing station of the cutting mechanism 15, and the cutting mechanism 15 is used for cutting the tab 202 on the cell 201 which is flattened to meet the requirement of the follow-up processing.
Further, referring to fig. 1 to 9, as a specific embodiment of the electrical core pretreatment device provided by the present invention, the straightening mechanism 13 includes a straightening bottom plate 131 disposed on the shaping pressing sliding plate 182, a straightening pneumatic finger 132 slidably connected to the straightening bottom plate 131, a straightening clamping plate 133 disposed at an output end of the straightening pneumatic finger 132 and used for clamping the tab 202, and a straightening driving member 134 (which may be a cylinder) for driving the straightening pneumatic finger 132 to slide; the flattening mechanism 14 comprises a flattening vertical plate 141 arranged on the shaping and pressing sliding plate 182, a flattening pneumatic finger 142 connected with the flattening vertical plate 141, and a flattening clamping plate 143 arranged at the output end of the flattening pneumatic finger 142 and used for flattening the lug 202; the cell pre-positioning mechanism 11 comprises a pre-positioning bracket 111, a pre-positioning belt assembly 112 which is arranged on the pre-positioning bracket 111 and used for driving the cell 201 to move, a first pre-positioning reference plate 113 which is detachably connected with the pre-positioning bracket 111, a second pre-positioning reference plate 114 which is detachably connected with the pre-positioning bracket 111, a pre-positioning pushing plate 115 and a pre-positioning pushing driving device 116 which is arranged on the pre-positioning bracket 111 and used for driving the pre-positioning pushing plate 115 to move; the first predetermined reference plate 113 and the second predetermined reference plate 114 are disposed perpendicular to each other; the first pre-positioning reference plate 113 and the second pre-positioning reference plate 114 are sequentially arranged along the moving direction of the cell 201; the pre-positioning pushing plate 115 and the first pre-positioning reference plate 113 are disposed parallel to each other.
In the embodiment of the present invention, the pre-positioning process of the cell pre-positioning mechanism 11 is as follows: the electric core 201 is placed on the prepositioning belt assembly 112, the electric core 201 is driven by the prepositioning belt assembly 112 to move towards the direction close to the second prepositioning reference plate 114 until the electric core 201 is abutted against the second prepositioning reference plate 114, at the moment, one side edge of the electric core 201 is abutted against the second prepositioning reference plate 114, then the prepositioning pushing driving device 116 drives the prepositioning pushing plate 115 to move towards the direction close to the electric core 201 and realize the movement of the electric core 201 towards the direction close to the first prepositioning reference plate 113 until one side edge of the electric core 201 is abutted against the first prepositioning reference plate 113, at the moment, the electric core 201 is positioned by two positioning references provided by the first prepositioning reference plate 113 and the second prepositioning reference plate 114 which are mutually disposed, the shaping transfer assembly 17 can directly absorb the electric core 201 to the central position of the electric core 201, when the size of the electric core 201 is changed, the connection position of the first prepositioning reference plate 113 and the second prepositioning reference plate 114 and the prepositioning support 111 is adjusted, the situation that the electric core 201 is kept at the position of the center of the electric core 201 is not needed to be adjusted every time, and the shaping assembly 17 can be realized. Because the sucking device can suck the central position of the electric core 201 every time, when the shaping transfer assembly 17 sucks the electric core 201 to transfer the electric core 201 to the shaping rack 12, the central position of the electric core 201 is fixed when each electric core 201 reaches the shaping rack 12, and the electric core 201 can be straightened by using the straightening mechanism 13 without adjusting the position of the electric core 201.
In the embodiment of the present invention, the straightening process of the straightening mechanism 13 is as follows: the whole straightening mechanism 13 moves along with the sliding of the shaping pressing sliding plate 182 in the direction approaching to the battery cell 201 (the shaping placing frame 12), at this time, the output end of the straightening pneumatic finger 132 is in an open state, when the tab 202 is located between the straightening clamping plates 133 on the straightening pneumatic finger 132, the tab 202 is clamped by the output end of the straightening pneumatic finger 132, at this time, the shaping pressing assembly also arranged on the shaping pressing sliding plate 182 presses the battery cell 201, and then the straightening driving piece 134 pulls the straightening pneumatic finger 132 to move in the direction far away from the battery cell 201, so that the tab 202 on the battery cell 201 is straightened.
In an embodiment of the present invention, the flattening process of the flattening mechanism 14 is: the whole flattening mechanism 14 moves along with the sliding of the shaping pressing sliding plate 182 in the direction approaching to the battery cell 201 (the shaping placing frame 12), at this time, the output end of the flattening pneumatic finger 142 is in an open state, when the tab 202 is located between the flattening clamping plates 143 on the flattening pneumatic finger 142, at this time, the shaping pressing assembly also arranged on the shaping pressing sliding plate 182 presses the battery cell 201, and the output end of the flattening pneumatic finger 142 moves to flatten the tab 202, so as to complete flattening processing.
In the embodiment of the present invention, the straightening mechanism 13, the flattening mechanism 14, the cutting mechanism 15 and the shaping pressing and holding assembly are all disposed on the shaping pressing and holding sliding plate 182, so that the synchronism of the overall movement can be realized, and the shaping rack 12 is provided with a plurality of first shaping placing plates 121, and the straightening mechanism 13, the flattening mechanism 14 and the cutting mechanism 15 are sequentially disposed along the movement direction of the electrical core 201, so that the straightening mechanism 13, the flattening mechanism 14 and the cutting mechanism 15 can work simultaneously, that is, the straightening, flattening and cutting operations are completed for different electrical cores 201 respectively at a time.
Further, referring to fig. 9, as an embodiment of the battery cell pretreatment device provided by the present invention, the cutting mechanism 15 includes a cutting pneumatic finger 151 disposed on the shaping pressing sliding plate 182, and a cutting knife 152 disposed on an output end of the cutting pneumatic finger 151. The working process of the cutting mechanism 15 is as follows: the cutting mechanism 15 moves along with the sliding of the shaping and holding sliding plate 182 in a direction approaching to the battery cell 201, at this time, the cutting pneumatic finger 151 is in an open state, and when the tab 202 is located between the cutting blades 152 of the output end on the cutting pneumatic finger 151, the cutting pneumatic finger 151 is started to drive the cutting blades 152 to cut the tab 202 to a preset length. The cutting edge of the cutting knife 152 is obliquely arranged, so that the cutting effect is improved, and burrs are reduced.
Further, referring to fig. 12, as an embodiment of the cell pretreatment device provided by the present invention, the shaping transfer assembly 17 includes a shaping transfer support rod 171, a shaping transfer mounting plate 172 connected to the shaping transfer support rod 171, a shaping transfer traversing plate 173 slidingly connected to the shaping transfer mounting plate 172, a shaping transfer traversing cylinder 174 provided on the shaping transfer mounting plate 172 and having an output end connected to the shaping transfer traversing plate 173, a shaping transfer lifting plate 175 slidingly connected to the shaping transfer traversing plate 173, a shaping transfer vertical cylinder 176 provided on the shaping transfer traversing plate 173 and having an output end connected to the shaping transfer lifting plate 175, and a plurality of shaping transfer chuck modules 177 provided on the shaping transfer lifting plate 175. The number of the plastic transferring sucker modules 177 is multiple, that is, the plastic transferring assembly 17 can transfer multiple battery cells 201 at a time, so that the battery cells 201 on different stations can be transferred, and the transferring efficiency is improved. The straightening mechanism 13, the flattening mechanism 14 and the cutting mechanism 15 are sequentially arranged along the moving direction of the battery cell 201, so that the shaping and transferring sucker module 177 can finish the following transferring steps in a single step: the cell 201 which is not processed is transferred to the first shaping placing plate 121 corresponding to the processing station of the straightening mechanism 13, the cell 201 which is processed and straightened on the first shaping placing plate 121 corresponding to the processing station of the straightening mechanism 13 is transferred to the first shaping placing plate 121 corresponding to the processing station of the flattening mechanism 14, the cell 201 which is processed and flattened on the first shaping placing plate 121 corresponding to the processing station of the flattening mechanism 14 is transferred to the first shaping placing plate 121 corresponding to the processing station of the cutting mechanism 15, and the shaping speed is further ensured.
Further, referring to fig. 7, as a specific embodiment of the battery core pretreatment device provided by the present invention, the shaping pressing assembly includes a shaping pressing lifting rod 183 slidably connected to the shaping pressing sliding plate 182, a shaping pressing lifting cylinder 184 for driving the shaping pressing lifting rod 183 to slide, a shaping pressing mounting plate 185 connected to the shaping pressing lifting rod 183, a shaping pressing frame 186 connected to the shaping pressing mounting plate 185, and a plurality of shaping pressing blocks 187 disposed on the shaping pressing frame 186. The shaping pressing component, the flattening mechanism 14, the cutting mechanism 15 and the straightening mechanism 13 are all arranged on the shaping pressing sliding plate 182, so that integral movement can be realized, and when the cutting mechanism 15, the flattening mechanism 14 and the straightening mechanism 13 operate the tab 202, the shaping pressing component presses and fixes the battery cell 201, so that the movement of the battery cell 201 is prevented from influencing the machining precision.
Further, referring to fig. 10, as an embodiment of the battery cell pretreatment device provided by the present invention, the battery cell pretreatment device further includes an electrode detection assembly 16 disposed on the shaping pressing sliding plate 182; the electrode detection assembly 16 includes an electrode detection pneumatic finger 161 and a detection electrode piece 162 provided at an output end of the detection pneumatic finger (different detection electrode pieces 162 may be respectively connected to the positive and negative electrodes of an instrument such as a voltmeter). In order to meet the requirement of the subsequent processing, the distribution of the positive and negative electrodes of the tab 202 on the battery cell 201 needs to be ensured to meet the preset requirement, so that the positive and negative electrodes of the tab 202 on the battery cell 201 need to be detected, the electrode detection assembly 16 moves along with the shaping and pressing of the sliding plate 182 towards the direction close to the battery cell 201, when the tab 202 is positioned in a gap on the detection electrode plate 162 on the detection pneumatic finger, the detection pneumatic finger starts to clamp the tab 202, and different electrode plates can be respectively connected with the positive and negative electrodes of the instrument such as the voltmeter to realize the detection of the positive and negative electrodes of the tab 202 of the battery cell 201. At this time, the battery cell 201 with the positive and negative electrodes detected is placed on the second shaping placing plate 122 and is driven by the shaping placing cylinder 123 to move in a direction away from the first shaping placing plate 121.
In the embodiment of the present invention, the straightening mechanism 13, the flattening mechanism 14, the cutting mechanism 15 and the electrode detecting assembly 16 are sequentially arranged along the moving direction of the battery cell 201, so that the shaping and transferring chuck module 177 can perform the following transferring steps in a single step: the method comprises the steps of transferring the un-machined electric core 201 to a first shaping placing plate 121 corresponding to a machining station of a straightening mechanism 13, transferring the straightened electric core 201 on the first shaping placing plate 121 corresponding to the machining station of the straightening mechanism 13 to the first shaping placing plate 121 corresponding to the machining station of a flattening mechanism 14, transferring the flattened electric core 201 on the first shaping placing plate 121 corresponding to the machining station of the flattening mechanism 14 to the first shaping placing plate 121 corresponding to the machining station of a cutting mechanism 15, and transferring the electric core 201 on the first shaping placing plate 121 corresponding to the machining station of the cutting mechanism 15 to the first shaping placing plate 121 corresponding to an electrode detection assembly 16, so that the shaping speed is further ensured.
Further, referring to fig. 11, as a specific embodiment of the battery core pretreatment device provided by the present invention, the battery core pretreatment device further includes a second shaping placement plate 122 slidably connected to the shaping placement frame 12, and a shaping placement cylinder 123 disposed on the shaping placement frame 12 and having an output end connected to the second shaping placement plate 122. When the tab 202 completes the straightening, flattening, cutting and detecting of the positive and negative electrodes on the straightening mechanism 13, the flattening mechanism 14, the cutting mechanism 15 and the electrode detecting assembly 16, the shaping transfer assembly 17 transfers the battery cell 201 on the first shaping placing plate 121, which completes the above operation, into the second shaping placing plate 122, and the shaping placing cylinder 123 moves the second shaping placing plate 122 in a direction away from the first shaping placing plate 121 so that the battery cell 201 reaches the subsequent station.
Further, referring to fig. 2 and fig. 14 to 15, as a specific embodiment of the cell pretreatment device provided by the present invention, the pretreatment and material separation assembly 19 is further included for transferring the cells 201 on the second shaping and placing plate 122; the pretreatment dispensing assembly 19 includes a reject transfer mechanism 192, a reject escrow stage 193, and a good transfer mechanism 191. The shaping placing cylinder 123 moves the second shaping placing plate 122 to a direction away from the first shaping placing plate 121 so that the battery cell 201 reaches a processing station of the pretreatment material distribution assembly 19, the distribution of the positive and negative poles of the lugs 202 on the battery cell 201 meets preset requirements to be good products, and the battery cell is not met to be bad products. The good product transferring mechanism 191 transfers the good product battery cells 201 to a next processing station, specifically, a welding station. The defective cell 201 is transferred to the defective temporary storage stage 193 by the defective transfer mechanism 192 for subsequent processing.
Further, referring to fig. 14 and 15, as a specific embodiment of the electrical core pretreatment device provided by the present invention, the good product transferring mechanism 191 includes a good product transferring driving module 1911 and a good product transferring chuck module 1912 disposed at an output end of the good product transferring driving module 1911; the defective article transfer mechanism 192 includes a swing cylinder 1921 and a defective article transfer suction cup module 1922 provided at a movable end of the swing cylinder 1921. The good product transferring driving module 1911 is a driving module in the prior art capable of driving the good product transferring sucker module 1912 to move in three directions of XYZ; the swing cylinder 1921 may drive the defective transfer chuck module 1922 to switch between the second plastic placement plate 122 and the defective temporary storage stage 193 through a telescoping and rotating action.
Further, referring to fig. 7, as a specific embodiment of the electrical core pretreatment device provided by the present invention, the shaping pressing driving assembly includes a shaping pressing screw nut connected to the shaping pressing sliding plate 182, a shaping pressing screw shaft matched with the shaping pressing screw nut, and a shaping pressing motor with an output shaft connected to the shaping pressing screw shaft.
Further, referring to fig. 3, as an embodiment of the battery cell pretreatment device provided by the present invention, the pre-positioning support 111 includes two pre-positioning support plates 1111 disposed opposite to each other at intervals, and a pre-positioning connection plate 1112 disposed between the pre-positioning support plates 1111, where the pre-positioning connection plate 1112 is located at an end of the pre-positioning support plates 1111. The pre-positioning belt assembly 112 moves the battery cell 201 along the gap between the two pre-positioning support plates 1111.
Further, referring to fig. 3 to 5, as a specific embodiment of the battery core pretreatment device provided by the present invention, the pre-positioning belt assembly 112 includes a pre-positioning driving shaft 1121 rotatably connected to the pre-positioning support 111, a pre-positioning driven shaft 1122 rotatably connected to the pre-positioning support 111, a pre-positioning belt line 1123 sleeved on the pre-positioning driving shaft 1121 and the pre-positioning driven shaft 1122, a pre-positioning driven wheel 1124 connected to the pre-positioning driving shaft 1121, a pre-positioning driving wheel 1125 matched with the pre-positioning driven wheel 1124, and a pre-positioning driving motor 1126 having an output shaft connected to the pre-positioning driving wheel 1125. The pre-positioning belt line 1123 is used for placing the electric core 201, the pre-positioning driving motor 1126 drives the pre-positioning driven wheel 1124 to rotate through the pre-positioning driving wheel 1125 so as to drive the pre-positioning driving shaft 1121 to rotate, and because the pre-positioning belt line 1123 is sleeved on the pre-positioning driving shaft 1121 and the pre-positioning driven shaft 1122, the pre-positioning driving shaft 1121 drives the pre-positioning belt line 1123 to rotate through cooperation with the pre-positioning driven shaft 1122 when rotating, so that the movement of the electric core 201 is driven.
Further, referring to fig. 4, as a specific embodiment of the battery core pretreatment device provided by the present invention, the pre-positioning driven wheel 1124 and the pre-positioning driving wheel 1125 are both pulleys, and a pre-positioning driving belt 1127 is disposed between the pre-positioning driven wheel 1124 and the pre-positioning driving wheel 1125. The preset driving pulley 1125 rotates the preset driven pulley 1124 via the preset belt 1127.
Further, as a specific embodiment of the battery core pretreatment device provided by the invention, the pre-positioning driven wheel 1124 and the pre-positioning driving wheel 1125 are gears (not shown in the drawing), and the pre-positioning driven wheel 1124 is meshed with the pre-positioning driving wheel 1125. The preset driving wheel 1125 drives the preset driven wheel 1124 to rotate through gear transmission.
Further, as a specific embodiment of the battery cell pretreatment device provided by the invention, a plurality of first pre-positioning mounting holes (not shown in the figure) with internal threads are formed on the pre-positioning support 111, and a first pre-positioning screw is arranged between the first pre-positioning reference plate 113 and the pre-positioning support 111 and is in threaded connection with the first pre-positioning mounting holes. The first pre-positioning reference plate 113 is correspondingly provided with a through hole for the first pre-positioning screw to penetrate through and then be in threaded connection with the first pre-positioning mounting hole, the first pre-positioning mounting holes connected by the first pre-positioning screw are different, and the positions of the first pre-positioning reference plate 113 are different.
Further, as a specific embodiment of the battery core pretreatment device provided by the invention, a plurality of second pre-positioning mounting holes (not shown in the figure) with internal threads are formed on the pre-positioning support 111, and a second pre-positioning screw is arranged between the second pre-positioning reference plate 114 and the pre-positioning support 111 and is in threaded connection with the second pre-positioning mounting holes. The second pre-positioning reference plate 114 is correspondingly provided with a through hole for the second pre-positioning screw to penetrate through and then be in threaded connection with the second pre-positioning mounting hole, and the positions of the second pre-positioning reference plate 114 are different due to the fact that the second pre-positioning mounting holes connected by the second pre-positioning screw are different.
Further, referring to fig. 3, the predetermined pushing plate 115 is provided with a predetermined positioning groove 1151. The position yielding groove 1151 is predetermined to avoid the tab 202 on the cell 201 from being pressed to damage by the position pushing plate 115. The pre-positioning pushing driving device 116 is a pre-positioning driving cylinder, and an output shaft of the pre-positioning driving cylinder is connected with the pre-positioning pushing plate 115. The pre-positioning support 111 is detachably connected with the pre-positioning vertical plate 117, so that the pre-positioning support 111 can be mounted at different heights.
As shown in fig. 16 to 30, the battery cell welding and detecting device 300 provided in this embodiment includes a carrying working table 31, and a battery cell transfer device 32, a carrying positioning device 33, a tab welding device 34, a battery cell feeding device 35, a storage bracket 36, a circuit board feeding device 37, a pre-positioning device 38, an electrical property detecting device 39, a blanking sorting device 41 and a blanking conveying device 42 supported on the carrying working table 31, where an air source device (not shown) is provided in the carrying working table 31 to implement vacuum adsorption grabbing and expansion and contraction of an air cylinder.
Referring to fig. 16 and 17, in the present embodiment, the surface of the carrying work counter 31 has a transverse direction (D1 direction shown in the drawing, hereinafter collectively referred to as a first direction D1) and a longitudinal direction (D2 direction shown in the drawing, hereinafter collectively referred to as a second direction D2) perpendicular to each other, and the cell relay device 32, the tab welding device 34, the cell feeding device 35, the storage bracket 36, the circuit board feeding device 37, the pre-positioning device 38, the electrical property detecting device 39, the blanking sorting device 41, and the blanking conveying device 42 are disposed on the peripheral side of the carrying positioning device 33.
Referring to fig. 17 and 18, the cell relay device 32 includes a first station 32a for placing a cell 201 to be soldered, a second station 32b for taking out the cell 201, and a cell 201 turning platform 321 capable of moving reciprocally between the first station 32a and the second station 32 b. In this embodiment, the electric core 201 steering platform 321 includes a transfer turntable 322 and a transfer driving mechanism 323 for enabling the transfer turntable 322 to rotate with a direction perpendicular to the surface of the transfer turntable 322 as an axis, the surface of the transfer turntable 322 is provided with an electric core positioning block 324, the electric core positioning block 324 is provided with a positioning cavity 325 with a top opening and for placing and positioning the electric core 201, an avoidance opening 326 corresponding to a tab of the electric core 201 is formed on a side wall of the electric core positioning block 324, the avoidance opening 326 is communicated with the positioning cavity 325, the avoidance opening 326 of each electric core positioning block 324 faces the same, and is located on the front side of the electric core positioning block 324 in the rotation direction. It should be noted that, when the battery cell 201 rotates to the second station 32b, the tab is located at the left side of the battery cell 201, and the battery cell 201 is approximately aligned with the positioning fixture 3303 of the loading station on the loading and positioning device 33, so as to be grabbed into the positioning fixture 3303, thereby facilitating loading and positioning of the battery cell 201.
Specifically, the relay driving mechanism 323 includes a relay driving wheel 3231, a relay driven wheel 3232, a relay transmission belt 3233 wrapped therebetween, a relay driving member (not shown) for rotating the relay driving wheel 3231, a relay shaft (not shown) connected to a middle portion of the relay turntable 322, and a transmission assembly (not shown) connected between the relay shaft and the relay driven wheel 3232, the relay driving member being but not limited to a motor, and the transmission assembly being but not limited to a gear reduction assembly. The number of the cell positioning blocks 324 is, but not limited to, four, and the four cell positioning blocks 324 are disposed at equal intervals in the circumferential direction of the middle rotating disk 322.
As a further optimization, the cell relay device 32 further includes at least one third station 32c located downstream of the first station 32a and upstream of the second station 32b in the rotation direction of the relay turntable 322; the third station 32c is provided with a flatness measuring instrument (not shown) for detecting the flatness of the tab of the cell 201. Therefore, the battery cell 201 with the non-satisfactory flatness of the tab can be removed, so that the welding effect of the battery cell 201 and the circuit board assembly is ensured, and the quality of a product is improved.
With continued reference to fig. 18, the cell loading device 35 is configured to move the cell 201 at the second station 32b of the cell transfer device 32 into the positioning fixture 3303 carrying the positioning device 33. The battery cell feeding device 35 further comprises a battery cell feeding cross beam 3501, a battery cell feeding mounting frame 3502 arranged on the battery cell feeding cross beam 3501 in a sliding manner, a battery cell feeding mounting frame driving assembly 3503 for enabling the battery cell feeding mounting frame 3502 to move, a battery cell feeding taking and placing seat 3504 arranged on the battery cell feeding mounting frame 3502 in a sliding manner, and a battery cell feeding taking and placing seat driving assembly 3505 for enabling the battery cell feeding taking and placing seat 3504 to ascend and descend relative to the battery cell feeding mounting frame 3502. In this embodiment, the cell feeding pick-and-place seat 3504 can move up and down under the driving of the cell feeding pick-and-place seat driving component 3505, grasp and release the cell 201 when downward, and move left and right on the cell feeding cross beam 3501 under the driving of the cell feeding mounting frame driving component 3503. The cell feeding cross beam 3501 extends along a direction parallel to the first direction D1, the cell feeding pick-and-place seat driving assembly 3505 is, but not limited to, a cylinder assembly, the cell feeding mounting frame driving assembly 3503 is, but not limited to, a screw driving assembly, the cell feeding pick-and-place seat 3504 is provided with a cell feeding adsorption port (not shown) for adsorbing and fixing the cell 201, and the cell feeding adsorption port and the cell feeding pick-and-place seat driving assembly 3505 are both connected with an air source device.
Referring to fig. 16, 17 and 19, a storage rack 36 is used for loading circuit board storage trays 361 and providing circuit board assemblies 200 to be soldered, in this embodiment, the storage rack 36 includes two units, namely a loading unit 362 and an empty tray unit 363, in the loading unit 362, the circuit board storage trays 361 each loaded with a circuit board assembly 200 to be soldered are stacked, and the empty tray unit 363 is used for placing the empty circuit board storage tray 361, that is, after each circuit board assembly 200 in the circuit board storage tray 361 located at the topmost layer in the loading unit 362 is gripped, the circuit board storage tray 361 is gripped into the empty tray unit 363 and placed in a stacked manner.
Referring to fig. 16, 17, 19 and 20, the circuit board feeding device 37 is configured to grasp the circuit board assembly 200 in the feeding unit 362 of the storage rack 36, move into the pre-positioning device 38 after rotating by a predetermined angle, and move the circuit board assembly 200 into the positioning jig 3303 after pre-positioning the circuit board assembly 200. The circuit board feeding device 37 includes a circuit board feeding beam 3701, a circuit board feeding longitudinal beam 3702 slidably disposed on the circuit board feeding beam 3701 and having an extending direction perpendicular to the extending direction of the circuit board feeding beam 3701, a circuit board feeding longitudinal beam driving assembly 3703 for moving the circuit board feeding longitudinal beam 3702, a circuit board feeding mounting frame 3704 slidably disposed on the circuit board feeding longitudinal beam 3702, a circuit board feeding mounting frame driving assembly 3705 for moving the circuit board feeding mounting frame 3704, a circuit board rotating bracket 3706 slidably disposed on the circuit board feeding mounting frame 3704, a circuit board rotating bracket driving assembly 3707 for lifting the circuit board rotating bracket 3706 relative to the circuit board feeding mounting frame 3704, a circuit board feeding pick-and-place seat 3708 rotatably supported on the circuit board rotating bracket 3706, and a circuit board feeding pick-and-place seat driving member 3709 for rotating the circuit board feeding pick-and-place seat 3708 relative to the circuit board rotating bracket 3706. In this embodiment, the circuit board feeding cross beam 3701 extends along a direction parallel to the first direction D1, the circuit board feeding longitudinal beam 3702 extends along a direction parallel to the second direction D2, and the circuit board feeding longitudinal beam driving assembly 3703, the circuit board feeding mounting frame driving assembly 3705, and the circuit board rotating bracket driving assembly 3707 are all but not limited to screw driving assemblies, and the circuit board feeding pick-and-place seat driving member 3709 is but not limited to a rotating cylinder. The circuit board feeding, taking and placing seat 3708 is provided with a circuit board feeding and adsorbing rod 3710 for adsorbing and fixing the circuit board assembly 200, and the circuit board feeding, taking and placing seat driving piece 3709 are connected with an air source device.
Referring to fig. 19, the circuit board loading device 37 further includes a tray suction device 3711 for sucking the circuit board tray 361, and the tray suction device 3711 is slidably disposed on the circuit board loading longitudinal beam 3702. The tray suction device 3711 grips the empty board tray 361 in the loading unit 362 to the empty tray unit 363 by vacuum suction. The storage disk suction device 3711 includes a disk suction back plate 3712 slidably disposed on the circuit board loading beam 3702, a disk suction back plate driving assembly (not shown) driving the disk suction back plate 3712 to move, a disk suction frame (not shown) lifting and lowering disposed on the disk suction back plate 3712, a disk suction frame driving assembly (not shown) driving the disk suction frame to move up and down, and a disk suction rod 3713 mounted on the disk suction frame, the disk suction back plate driving assembly and the disk suction frame driving assembly are all but not limited to screw driving assemblies, and the storage disk suction device 3711, the disk suction rod 3713 are connected with an air source device.
Referring to fig. 19 and 20, the pre-positioning means 38 is for pre-positioning the circuit board assembly 200 rotated by a predetermined angle before the circuit board assembly 200 to be soldered is fed into the positioning jig 3303. The pre-positioning device 38 includes a pre-positioning block 3801, a first pre-positioning component 3802, and a second pre-positioning component 3803; the surface of the pre-positioning block 3801 is provided with a positioning groove 3804, and the groove wall of the positioning groove 3804 is provided with a first positioning longitudinal wall 3805 and a second positioning longitudinal wall 3806 which are adjacent to each other and are vertically arranged. The first pre-positioning assembly 3802 includes a first pre-positioning ejector 3807 and a first positioning ejector driver 3808 that moves the first pre-positioning ejector 3807 in a direction perpendicular to the second positioning longitudinal wall 3806. The second pre-positioning assembly 3803 includes a second pre-positioning ejector 3809 and a second positioning ejector driver 3810 that moves the second pre-positioning ejector 3809 in a direction perpendicular to the first positioning longitudinal wall 3805. In the present embodiment, the circuit board assembly 200 is square, and has a long side and a short side; the first pre-positioning ejector 3807 is an ejector plate corresponding to a short side of the circuit board assembly 200, and the second pre-positioning ejector 3809 is an ejector rod corresponding to a long side of the circuit board assembly 200. The second pre-positioning assembly 3803 further includes an ejector coupling (not shown) coupled between the second pre-positioning ejector 3809 and the second positioning ejector driver 3810; the positioning groove 3804 of the pre-positioning block 3801 is provided with a pre-positioning substrate 3811, and the pre-positioning substrate 3811 has an ejection guide hole 3812 which communicates with the positioning groove 3804 and is used for the second pre-positioning ejector 3809 to extend. The first positioning push actuator 3808 and the second positioning push actuator 3810 are each, but are not limited to, air cylinders that are connected to an air supply device.
Referring to fig. 21 and 22, the carrying and positioning device 33 includes a carrying turntable 3301, a carrying driving mechanism 3302 for rotating the carrying turntable 3301 with a direction perpendicular to a surface of the carrying turntable 3301 as an axis, and a plurality of positioning jigs 3303 for supporting the battery cells 201 to be soldered and the circuit board assemblies 200 to be soldered, wherein the positioning jigs 3303 are disposed on the carrying turntable 3301. In the present embodiment, the bearing driving mechanism 3302 includes a bearing driving wheel 3304, a bearing driven wheel 3305, a bearing driving belt 3306 wrapped therebetween, a bearing driving member 3307 for rotating the bearing driving wheel 3304, a bearing rotating shaft 3308 connected to the middle of the bearing rotating disc 3301, and a bearing driving assembly (not shown) connected between the bearing rotating shaft 3308 and the bearing driven wheel 3305, where the bearing driving member 3307 is but not limited to a motor, and the bearing driving assembly is but not limited to a gear reduction assembly. The number of the positioning jigs 3303 is, but not limited to, twelve, and the twelve positioning jigs 3303 are arranged at equal intervals in the circumferential direction of the carrying turntable 3301.
As can be seen from fig. 21 and 22, as a further optimization, the load-bearing positioning device 33 further includes a pressing support mechanism 3309, and the pressing support mechanism 3309 includes a pressing support plate 3310, a plurality of pressing support arms 3311, and a pressing support cylinder 3312 provided on each pressing support arm 3311 and abutting the circuit board assembly 200 against the positioning jig 3303 when detected by the electrical property detection device 39. The pressing support plate 3310 is supported on the carrying turntable 3301, and the pressing support cylinder 3312 is connected to an air source device. In this embodiment, the pressing support plate 3310 is mounted on the end face of the carrying shaft 3308 through a planar bearing 3313 and is located above the carrying turntable 3301, and the pressing support arm 3311 extends from the edge of the pressing support plate 3310 to the edge of the carrying turntable 3301. It should be noted that the pressing support plate 3310 does not rotate with the rotation of the carrying dial 3301, and it remains substantially stationary with the carrying work table 31. The number of pressing support arms 3311 corresponds to the number of electrical property detecting means 39, and the pressing support arms 3311 correspond to the electrical property detecting means 39, respectively.
Referring to fig. 23 and 24, a tab welding device 34 is used for welding the tab of the battery cell 201 in the positioning fixture 3303 with the circuit board assembly 200, the tab welding device 34 is disposed on the peripheral side of the bearing positioning device 33, and the tab welding device 34 may be a laser welding device or a resistance welding device. In this embodiment, the tab welding devices 34 are located at positions downstream of the loading station in the rotation direction of the carrying turntable 3301, the number of tab welding devices 34 is not limited to two, and two tab welding devices 34 are disposed at intervals in the circumferential direction of the carrying positioning device 33. It should be noted that, in the tab welding device 34 located at the upstream in the rotation direction of the carrying turntable 3301, the left tab of the electric core 201 may be welded to the circuit board assembly 200 or the right tab may be welded to the circuit board assembly 200, and the tab welding device 34 located at the downstream may be welded to the right tab of the electric core 201 and the circuit board assembly 200 or the left tab may be welded to the circuit board assembly 200, so that the tab and the circuit board assembly 200 on one side are welded first, and then the tab and the circuit board assembly 200 on the other side are welded, so that the welding efficiency may be improved, and the short circuit of the electric core 201 may be avoided.
With continued reference to fig. 23 and 24, the tab welding device 34 includes a welding frame 3401, an electrode holder 3402 liftably provided on the welding frame 3401, an electrode holder driving member 3403 lifting the electrode holder 3402 relative to the welding frame 3401, four electrodes 34a mounted on the electrode holder 3402, a support ram 3404 liftably provided on the welding frame 3401 and located under the electrode holder 3402, and a support ram driving mechanism 3405 for driving the support ram 3404 to lift relative to the welding frame 3401; the four electrodes are distributed in a rectangular shape on the cross section of the electrode base, and the four electrodes are a pair of positive electrodes and a pair of negative electrodes respectively. In the present embodiment, the electrode holder driving member 3403 is, but not limited to, a cylinder, and the electrode holder driving member 3403 is connected to an air source device, and two electrodes located on a diagonal line having a rectangular distribution in cross section among four electrodes are positive electrodes or negative electrodes. It is worth mentioning that the adoption of four electrodes can ensure that the positive electrode and the negative electrode are conducted effectively, and the welding reliability is high, and the welding quality and effect are good.
In this embodiment, the support ram drive mechanism 3405 includes a support ram cylinder 3406 having an output shaft and a transmission structure connected between the output shaft and the support ram 3404, the support ram 3404 cylinders being connected to the air source device. The transmission structure comprises a first wedge 3407 connected with an output shaft of a supporting ejector rod cylinder 3406 and a second wedge 3408 which is used for being matched with the first wedge 3407 to push and move in a lifting mode relative to the first wedge 3407 when the first wedge 3407 moves, wherein the second wedge 3408 is fixedly connected with the bottom of the supporting ejector rod 3404. Thus, when the output shaft of the supporting ram cylinder 3406 protrudes rightward (right side in the drawing), the first wedge 3407 is pushed to move rightward, and the second wedge 3408 pushes the supporting ram 3404 to rise upward and to be abutted against the bottom surface of the circuit board assembly 200 under the action of the first wedge 3407, so as to provide upward supporting force, thereby avoiding the circuit board assembly 200 from being crushed due to excessive pressure of electrode depression.
In the present embodiment, the second wedge 3408 has a top rod mounting hole 3409 for mounting the support top rod 3404; the support push rod 3404 has a circular cross section, an external thread part is formed on the outer wall of the bottom of the support push rod 3404, and an internal thread part which is matched with the external thread part in threads is formed on the inner wall of the push rod mounting hole 3409. In this way, the height of the support carrier 3404 can be adjusted up and down and can be replaced for maintenance.
In this embodiment, the anti-slip nut 3410 is screwed onto the external thread portion of the support post 3404. In this way, the connection reliability between the support post 3404 and the second wedge 3408 can be improved.
In this embodiment, a carrier rod guide plate 3411 is disposed in the middle of the welding frame 3401, and carrier rod guide holes 3412 for allowing the carrier rods 3404 to pass through and guide in cooperation with the carrier rods 3404 are formed in the carrier rod guide plate 3411, so that the carrier rods 3404 can be guided when moving up and down, and the moving and supporting stability is improved.
Referring to fig. 21, 22, 25 and 26, an electrical performance detecting device 39 is used for detecting the soldered-together cell 201 and the circuit board assembly 200 loaded in the positioning jig 3303, and in this embodiment, the electrical performance detecting device 39 is located at a position downstream of the tab soldering device 34 in the rotational direction of the carrying dial 3301. The circuit board assembly 200 is provided with an interface including an output interface and an input interface. The input interface is, but not limited to, any one of a Micro USB interface, a lighting interface, and a Type-C interface, and is electrically connected to an input end of the circuit board, and when charging, the battery cell 201 is charged through the input interface; the output interface is but not limited to a USB interface, and is electrically connected to the output end of the circuit board, and the plug is adapted to the interface.
Referring to fig. 25 and 26, the electrical property detecting device 39 of the present embodiment is divided into two types, namely, a first electrical property detecting device 39a shown in fig. 25 and a second electrical property detecting device 39b shown in fig. 26, and the first electrical property detecting device 39a and the second electrical property detecting device 39b are substantially identical in structure.
As can be seen from fig. 25 and 26, in the present embodiment, the first electrical performance testing apparatus 39a and the second electrical performance testing apparatus 39b include a test rack 3901 and a self-adjusting plug assembly 3902 mounted on the test rack 3901 for mating and plugging with the interface, the test rack 3901 being fixedly mounted on the carrying work table 31. The test rack 3901 comprises a test mounting seat 3903, an adjusting support plate 3904 arranged on the test mounting seat 3903 in a sliding manner, a plug sliding rail 3905 fixedly arranged on the adjusting support plate 3904 and a plug sliding bracket 3906 arranged on the plug sliding rail 3905 in a sliding manner, and the self-adjusting plug assembly 3902 is fixed on the plug sliding bracket 3906; the plug driving member 3907 for moving the plug sliding support 3906 is fixedly arranged on the adjusting support plate 3904, the plug driving member 3907 is connected with the plug sliding support 3906, the plug driving member 3907 is, but not limited to, an air cylinder connected with an air source device, and an air cylinder shaft of the air cylinder is fixedly connected with the plug sliding support 3906. A lateral adjustment assembly 3908 and a longitudinal adjustment assembly 3909 are provided on test mount 3903. The transverse adjusting component 3908 is configured to adjust a relative position of the adjusting support plate 3904 and the test mount 3903 in a direction parallel to an extending direction of the plug slide 3905; the longitudinal adjustment assembly 3909 is configured to adjust a relative position of the adjustment support plate 3904 and the test mount 3903 in a direction perpendicular to an extending direction of the plug slide 3905. It is easy to understand that, the relative positions of the adjusting support plate 3904 and the test mounting seat 3903 can be manually adjusted by adopting the transverse adjusting assembly 3908 and the longitudinal adjusting assembly 3909 in the direction parallel to the extending direction of the plug sliding rail 3905 and in the direction perpendicular to the extending direction of the plug sliding rail 3905, so that various circuit board assemblies 200 with different interface positions can be adapted, the use is convenient, the whole set of electrical performance detecting devices 39 do not need to be replaced due to the fact that the circuit board assemblies 200 with specific specifications are matched, and cost and time are saved.
In the present embodiment, the lateral adjustment assembly 3908 includes a lateral adjustment rail 3910 and a lateral adjustment screw 3911 supported at the bottom of the adjustment support plate 3904, the number of lateral adjustment rails 3910 being, but not limited to, two. The lateral adjustment rail 3910 extends along a direction parallel to the extending direction of the plug slide rail 3905, a plurality of lateral adjustment holes (not shown) for threaded connection with the lateral adjustment screw 3911 are formed in the lateral adjustment rail 3910, the plurality of lateral adjustment holes are arranged at intervals in a direction parallel to the extending direction of the plug slide rail 3905, and a lateral through hole 3912 corresponding to the lateral adjustment holes is formed in the adjustment support plate 3904.
In the present embodiment, a guide protrusion 3936 is formed on a side wall of the test mount 3903, and an engagement strip 3937 engaged with the guide protrusion 3936 is connected to the adjustment support plate 3904. The longitudinal adjustment assembly 3909 includes a longitudinal adjustment plate (not shown) and a longitudinal adjustment screw 3913 supported at the bottom of the adjustment support plate 3904, the longitudinal adjustment plate is located between two transverse adjustment rails 3910, the longitudinal adjustment rails extend along a direction parallel to the extending direction of the plug sliding rail 3905, longitudinal adjustment holes (not shown) for threaded connection with the longitudinal adjustment screw 3913 are formed in the longitudinal adjustment rails, and longitudinal through holes (not shown) corresponding to the longitudinal adjustment holes are formed in the adjustment support plate 3904. The bottom end of the longitudinal adjusting screw 3913 penetrates out of the longitudinal adjusting plate and abuts against the test mounting seat 3903, and the adjusting supporting plate 3904 abuts against the test mounting seat, so that the adjusting supporting plate 3904 and the test mounting seat 3903 are relatively fixed; after loosening the longitudinal adjustment screw 3913 and the test mount 3903, the adjustment support plate 3904 may slide along the guide tab 3936 relative to the test mount 3903.
In this embodiment, the test rack 3901 further includes a test fixture base 3914 fixedly mounted on the carrying work table 31, and the test mount 3903 is mounted on the test fixture base 3914 by a lifting adjustment assembly and supported by the test fixture base.
In yet another embodiment, test mount 3903 is mounted directly on test fixture base 3914 and supported by the test fixture base.
Referring to fig. 25, in the present embodiment, in the first electrical performance detecting device 39a, the lifting adjustment assembly includes a plurality of test guide posts 3915 disposed on the test fixing base 3914, the test guide posts 3915 are disposed through corners of the test mounting base 3903, a pair of lifting adjustment nuts 3916 are screwed on each test guide post 3915, and corners of the test mounting base 3903 are respectively sandwiched between the pairs of lifting adjustment nuts 3916. It can be appreciated that by turning the up-down adjustment nut 3916, the test mount 3903 is moved up and down in the thickness direction thereof with respect to the test fixture base 3914, thereby adjusting the test mount 3903 in height.
Referring to fig. 26, in the present embodiment, the second electrical property detecting device 39b, the elevation adjustment assembly includes a plurality of test guide posts 3915 provided at the test fixture base 3914 and an elevation adjustment driving member 3917 that moves the test mount 3903 up and down, the elevation adjustment driving member 3917 being fixed to the test fixture base 3914. The lift adjustment actuator 3917 is, but not limited to, a cylinder and is coupled to an air supply device. It can be appreciated that the test mount 3903 is moved up and down in the thickness direction thereof with respect to the test fixture base 3914 by the action of the elevation adjustment driving member 3917, thereby adjusting the test mount 3903 in height. A linear bearing 3918 is provided between the test mount 3903 and the test guide post 3915.
Referring to fig. 27 to 29, in the present embodiment, a self-adjusting plug assembly 3902 includes a plug 3919, a test data line 3920 for connecting to a power tester (not shown), a plug holder 3921 for holding the plug 3919, a rotational support 3922 connected to a test rack 3901, and a plug rotational support 3923 provided between the rotational support 3922 and the plug holder 3921, one end of the test data line 3920 being connected to the plug 3919; the plug rotation seat 3923 includes a rotation flange portion 3924 fixed to the plug fixing seat 3921, a rotation shaft portion 3925 formed convexly on a side surface of the rotation flange portion 3924 facing the rotation support seat 3922, and a spherical head portion 3926 formed at an end portion of the rotation shaft portion 3925, the rotation support seat 3922 having a spherical socket cavity 3927 that rotates in cooperation with the spherical head portion 3926; an elastic return element 3928 is connected between the plug rotating seat 3923 and the rotating support seat 3922. The spherical head 3926 and the spherical socket cavity 3927 are matched with each other, so that the spherical head 3926 and the spherical socket cavity 3927 can keep any relative rotation position, it is to be noted that the elastic reset element 3928 enables the plug rotating seat 3923 and the rotating support seat 3922 to be elastically connected and can rotate relatively, when the plug 3919 is in butt joint with the interface of the circuit board assembly 200, the self-adjusting plug assembly 3902 moves towards the direction of the circuit board assembly 200 under the action of the driving piece 3907 of the plug 3919, the plug fixing seat 3921 provided with the plug 3919 can rotate relative to the rotating support seat 3922 under the mutual matching of the spherical head 3926 and the spherical socket cavity 3927 according to the position of the interface, therefore the joint of the plug 3919 and the interface is achieved, the structure is wide in application range, the interface or the plug 3919 is damaged in a rigid joint mode, and convenience and safety of connection are greatly improved.
The plug 3919 in the electrical performance detecting device 39 is connected to a power supply tester through a test data line 3920, and after the plug 3919 is connected to the battery cell 201 and the circuit board assembly 200 (the interface of the circuit board assembly 200) welded together in the positioning jig 3303, electrical performance parameters of the battery cell 201 and the circuit board assembly 200 are detected, where the electrical performance parameters include any one or more of a minimum charging voltage parameter, a maximum charging voltage parameter, a charging current (input end) parameter, a charging cut-off current parameter, a charging CV (constant voltage state) voltage parameter, an output no-load voltage parameter, and an output full-load voltage parameter.
In the present embodiment, the plug rotating seat 3923 has a first through slot 3929, the rotating support seat 3922 has a second through slot 3930, and the first through slot 3929 communicates with the second through slot 3930 and forms a routing channel for the test data line 3920 to pass through, so that routing of the test data line 3920 can be facilitated and protected.
In this embodiment, the self-adjusting plug assembly 3902 further includes a data line support rod 3931, the data line support rod 3931 is in threaded connection with the first through groove 3929 of the plug rotating seat 3923, the data line support rod 3931 has a data line support hole for the test data line 3920 to penetrate, so that the swing angle of the plug fixing seat 3921 is limited by the data line support rod 3931, and the swing amplitude of the swing angle is prevented from being too large.
In the present embodiment, the rotation support 3922 includes a support flange portion 3932 connected to the test rack 3901 and a support shaft portion 3933 protruding from a surface of the support flange portion 3932 facing the plug rotation seat 3923, and a spherical socket cavity 3927 is formed on an outer end of the support shaft portion 3933. The resilient return element 3928 is, but is not limited to, a spring that is sleeved on the outer wall of the rotating shaft portion 3925 and the outer wall of the supporting shaft portion 3933. The elastic return element 3928 is covered on the outer side of the elastic return element 3928 by a semicircular spring retainer 3934, and the elastic return element 3928 is held on the plug rotation seat 3923 and the rotation support seat 3922, respectively.
In the present embodiment, a compression screw 3935 is screwed on the plug fixing seat 3921, and a bottom end of the compression screw 3935 abuts against the plug 3919. In this way, the plug 3919 can be adjusted and fixed according to the size of the plug 3919, so that the plug 3919 can be replaced and installed conveniently.
Referring to fig. 30, the blanking sorting device 41 is configured to grasp the detected circuit board assembly 200 and the detected battery cell 201 in the positioning jig 3303, and move onto the blanking conveying device 42. The blanking sorting device 41 comprises a blanking sorting cross beam 411, a blanking sorting mounting frame 412 arranged on the blanking sorting cross beam 411 in a sliding manner, a blanking sorting mounting frame driving assembly 413 for enabling the blanking sorting mounting frame 412 to move, a blanking sorting and taking and placing seat 414 arranged on the blanking sorting mounting frame 412 in a sliding manner, a blanking sorting and taking and placing seat driving piece 415 for enabling the blanking sorting and taking and placing seat 414 to lift, and a battery core blanking adsorbing rod 416 and a circuit board blanking adsorbing rod 417 arranged on the blanking sorting and taking and placing seat 414. In the present embodiment, the blanking-sorting cross member 411 extends in a direction parallel to the second direction D2, and the blanking-sorting mounting-rack driving assembly 413 is, but not limited to, a screw driving assembly, and the blanking-sorting pick-and-place-seat driving member 415 is, but not limited to, a rotary cylinder. The blanking sorting and taking and placing seat driving piece 415, the battery cell blanking adsorbing rod 416 and the circuit board blanking adsorbing rod 417 are connected with the air source device, the circuit board blanking adsorbing rod 417 is used for adsorbing and fixing the circuit board assembly 200, and the battery cell blanking adsorbing rod 416 is used for adsorbing and fixing the battery cell 201. It is easy to understand that the electrical core blanking adsorbing rod 416 and the electrical circuit board blanking adsorbing rod 417 of the blanking sorting and taking and placing seat 414 simultaneously grasp the detected electrical circuit board assembly 200 and electrical core 201 in the positioning jig 3303 and move into the blanking conveying device 42 together.
Referring to fig. 30, the blanking conveying device 42 includes a first blanking conveying assembly 421 and a second blanking conveying assembly 422, and the first blanking conveying assembly 421 and the second blanking conveying assembly 422 have the same structure, and each includes a blanking conveying belt 423 and a blanking conveying driving assembly 424 that rotates the blanking conveying belt 423, where the first blanking conveying assembly 421 is used to convey the qualified circuit board assembly 200 and the battery cell 201 that are grabbed by the blanking sorting device 41, and the second blanking conveying assembly 422 is used to convey the unqualified circuit board assembly 200 and the battery cell 201 that are grabbed by the blanking sorting device 41, so that the qualified circuit board assembly 200 and the battery cell 201 are conveyed to the next process, and the unqualified circuit board assembly 421 is removed to improve the yield.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.

Claims (6)

1. The welding detector for the mobile power supply cell circuit board is characterized by comprising a cell pretreatment device for leveling and cutting the lugs of the cells and a cell welding and detecting device arranged on one side of the cell pretreatment device; the cell welding and detecting device comprises:
The battery cell transfer device comprises a first station for placing the battery cell which is leveled and cut by the battery cell pretreatment device, a second station for taking out the battery cell, and a battery cell steering platform capable of moving back and forth between the first station and the second station;
the bearing and positioning device comprises a positioning jig for supporting the battery cell and the circuit board assembly;
the battery cell feeding device is used for moving the battery cell on the second station of the battery cell transfer device into the positioning jig of the bearing and positioning device;
the tab welding device is used for welding the tab of the battery cell in the positioning jig with the circuit board assembly; and
the at least one electrical property detection device is used for detecting electrical property parameters of the welded battery cell and the circuit board assembly in the positioning jig;
the battery cell pretreatment device comprises a battery cell pretreatment mechanism, a shaping placing rack provided with a plurality of first shaping placing plates, a straightening mechanism, a flattening mechanism, a cutting mechanism, a shaping pressing mechanism for pressing the battery cells and a shaping transfer assembly for transferring the battery cells; the shaping pressing mechanism comprises a shaping pressing base, a shaping pressing sliding plate in sliding connection with the shaping pressing base, a shaping pressing driving assembly for driving the shaping pressing sliding plate to slide, and a shaping pressing assembly arranged on the shaping pressing sliding plate;
The straightening mechanism comprises a straightening bottom plate arranged on the shaping pressing sliding plate, a straightening pneumatic finger in sliding connection with the straightening bottom plate, a straightening clamping plate arranged at the output end of the straightening pneumatic finger and used for clamping the lug, and a straightening driving piece used for driving the straightening pneumatic finger to slide; the flattening mechanism comprises a flattening vertical plate arranged on the shaping and pressing sliding plate, a flattening pneumatic finger connected with the flattening vertical plate, and a flattening clamping plate arranged at the output end of the flattening pneumatic finger and used for flattening the lug; the cell prepositioning mechanism comprises a prepositioning bracket, a prepositioning belt component, a first prepositioning reference plate, a second prepositioning reference plate, a prepositioning pushing plate and a prepositioning pushing driving device, wherein the prepositioning belt component is arranged on the prepositioning bracket and used for driving the cell to move, the first prepositioning reference plate is detachably connected with the prepositioning bracket, the second prepositioning reference plate is detachably connected with the prepositioning bracket, the prepositioning pushing plate is arranged on the prepositioning bracket, and the prepositioning pushing driving device is used for driving the prepositioning pushing plate to move; the first preset reference plate and the second preset reference plate are arranged perpendicular to each other; the first preset reference plate and the second preset reference plate are sequentially arranged along the moving direction of the battery cell; the preset pushing plate and the first preset reference plate are arranged in parallel;
The electrical property detection device comprises a test frame and a self-adjusting plug assembly, wherein the self-adjusting plug assembly is arranged on the test frame and used for being matched with an interface for plugging, the test frame comprises a test installation seat, an adjusting support plate, a plug sliding rail and a plug sliding support, the adjusting support plate is arranged on the test installation seat in a sliding mode, the plug sliding rail is fixedly arranged on the adjusting support plate, the plug sliding support is arranged on the plug sliding rail in a sliding mode, and the self-adjusting plug assembly is fixed on the plug sliding support; a plug driving piece which enables the plug sliding bracket to move is fixedly arranged on the adjusting supporting plate and is connected with the plug sliding bracket; the test mounting seat is provided with: the transverse adjusting assembly is used for adjusting the relative position of the adjusting support plate and the test mounting seat in a direction parallel to the extending direction of the plug sliding rail; the longitudinal adjusting assembly is used for adjusting the relative position of the adjusting support plate and the test mounting seat in the direction perpendicular to the extending direction of the plug sliding rail;
the self-adjusting plug assembly comprises a plug, a test data line, a plug fixing seat, a rotating support seat and a plug rotating seat, wherein the plug is used for being matched with and plugged into an interface, the test data line is used for being connected with a power supply tester, the plug fixing seat is used for fixing the plug, the rotating support seat is connected with the test frame, the plug rotating seat is arranged between the rotating support seat and the plug fixing seat, and one end of the test data line is connected with the plug; the plug rotating seat comprises a rotating flange part fixed with the plug fixing seat, a rotating shaft part convexly arranged on one side surface of the rotating flange part facing the rotating support seat, and a spherical head part formed at the end part of the rotating shaft part, and the rotating support seat is provided with a spherical nest cavity which is matched with the spherical head part to rotate; an elastic reset element is connected between the plug rotating seat and the rotating supporting seat.
2. The mobile power supply cell circuit board welding inspection machine of claim 1, further comprising a pre-positioning device pre-positioning the circuit board assembly prior to moving into the positioning jig, the pre-positioning device comprising a pre-positioning block, a first pre-positioning assembly, and a second pre-positioning assembly; the surface of the pre-positioning block is provided with a positioning groove, and the groove wall of the positioning groove is provided with a first positioning longitudinal wall and a second positioning longitudinal wall which are adjacent to each other and are vertically arranged; the first pre-positioning assembly comprises a first pre-positioning ejector and a first positioning ejector drive that moves the first pre-positioning ejector in a direction perpendicular to the second positioning longitudinal wall; the second pre-positioning assembly includes a second pre-positioning ejector and a second positioning ejector drive that moves the second pre-positioning ejector in a direction perpendicular to the first positioning longitudinal wall.
3. The mobile power supply cell circuit board welding detector of claim 1, wherein the cell welding and detecting device further comprises a storage bracket for loading a circuit board storage tray and providing a circuit board assembly to be welded, and a circuit board feeding device for grabbing the circuit board assembly of the storage bracket and moving to the positioning jig; the circuit board feeding device comprises a circuit board feeding cross beam, a circuit board feeding longitudinal beam driving assembly, a circuit board feeding mounting frame driving assembly, a circuit board rotating support driving assembly, a circuit board feeding taking and placing seat and a circuit board feeding taking and placing seat driving member, wherein the circuit board feeding longitudinal beam is arranged on the circuit board feeding cross beam in a sliding mode, the circuit board feeding longitudinal beam is arranged in the extending direction of the circuit board feeding cross beam in a vertical mode, the circuit board feeding longitudinal beam driving assembly is used for enabling the circuit board feeding longitudinal beam to move, the circuit board feeding mounting frame driving assembly is used for enabling the circuit board rotating support to be arranged on the circuit board feeding mounting frame in a sliding mode, the circuit board rotating support driving assembly is used for enabling the circuit board rotating support to be opposite to the circuit board feeding taking and placing seat on the circuit board rotating support.
4. The mobile power supply cell circuit board welding detector of claim 1, wherein the cell feeding device comprises a cell feeding beam, a cell feeding mounting frame arranged on the cell feeding beam in a sliding manner, a cell feeding mounting frame driving assembly for enabling the cell feeding mounting frame to move, a cell feeding taking and placing seat arranged on the cell feeding mounting frame in a sliding manner, and a cell feeding taking and placing seat driving assembly for enabling the cell feeding taking and placing seat to ascend and descend relative to the cell feeding mounting frame.
5. The portable power source cell circuit board welding detector of claim 1, wherein the tab welding device comprises a welding frame, an electrode holder arranged on the welding frame in a lifting manner, an electrode holder driving piece for lifting the electrode holder relative to the welding frame, four electrodes arranged on the electrode holder, a supporting ejector rod arranged on the welding frame in a lifting manner and positioned below the electrode holder, and a supporting ejector rod driving mechanism for driving the supporting ejector rod to lift relative to the welding frame; the four electrodes are distributed in a rectangular shape on the cross section of the electrode seat, and the four electrodes are a pair of positive electrodes and a pair of negative electrodes respectively.
6. The portable power source cell circuit board welding inspection machine of claim 5, wherein the support ram drive mechanism comprises a support ram cylinder having an output shaft and a transmission structure connected between the output shaft and the support ram; the transmission structure comprises a first wedge block connected with an output shaft of the supporting ejector rod cylinder and a second wedge block which is used for being matched with the first wedge block to push and relatively to the first wedge block to lift and move when the first wedge block moves, and the second wedge block is fixedly connected with the bottom of the supporting ejector rod.
CN201811275064.7A 2018-10-30 2018-10-30 Welding detector for mobile power supply cell circuit board Active CN109531026B (en)

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